KARAKTERISASI Scotinophara alegria DI PERSAWAHAN KELURAHAN TANAH GARAM, KOTA SOLOK SUMATERA BARAT

Abstract

Scotinophara alegria, a rice black bug is one of the insects that like to slurp rice plants. These insects slurp rice plants in the vegetative phase and interfere with the growth of rice plants. This study aimed to determine the character of Scotinophara alegria in the vegetative phase of rice fields in Tanah Garam Sub-district, Solok City, West Sumatra. This research used a sampling method using light traps at night. Characteristics of Scotinophara alegria were observed morphologically using a microscope. The results showed that at least Scotinophara alegria was found because they preferred rice plants with the ratoon system. Decreased air temperature and humidity factors inhibited the activity of Scotinophara alegria. The morphological characteristics of Scotinophara alegria were the distance between ocelli was 1,84 times more than the length of the compound eyes, five closed marginal cells on the forewing character, and letter V-shaped of abdomen tergite X.